16904547

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 54

約数和(自身を含む): 28984956

約数和(自身を除く): 12080409

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 121, 129, 171, 209, 361, 363, 387, 473, 627, 817, 1083, 1089, 1419, 1881, 2299, 2451, 3249, 3971, 4257, 5203, 6897, 7353, 8987, 11913, 15523, 15609, 20691, 26961, 35739, 43681, 46569, 46827, 80883, 98857, 131043, 139707, 170753, 296571, 393129, 512259, 889713, 1536777, 1878283, 5634849, 16904547]

約数ペア:

[(1, 16904547), (3, 5634849), (9, 1878283), (11, 1536777), (19, 889713), (33, 512259), (43, 393129), (57, 296571), (99, 170753), (121, 139707), (129, 131043), (171, 98857), (209, 80883), (361, 46827), (363, 46569), (387, 43681), (473, 35739), (627, 26961), (817, 20691), (1083, 15609), (1089, 15523), (1419, 11913), (1881, 8987), (2299, 7353), (2451, 6897), (3249, 5203), (3971, 4257)]